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Finding the Fourth Proportional to 169,847.70, 254,739.15 and 51,522.90

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Solution

The fourth proportional to 169,847.70, 254,739.15 and 51,522.90 is: 77,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,847.70 : 254,739.15 = 51,522.90 : x
  2. Step 2: Convert to fraction form
    169,847.70/254,739.15 = 51,522.90/x
  3. Step 3: Cross multiply
    169,847.70x = 254,739.15 × 51,522.90
  4. Step 4: Simplify right side
    169,847.70x = 13,124,899,751.54
  5. Step 5: Solve for x
    x = 13,124,899,751.54/169,847.70
  6. Step 6: Final answer
    x = 77,274.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.